switch step

The design of power in accordance with ordinary laboratory user requirements, parameters of the proposed based on pulse width modulation ( PWM) high efficiency, low power switch power dc voltage converter design method, adopts full bridge, step-down, mainly push-pull loop circuit topology.

本设计依照普通实验室用户对电源参数的要求，提出了一种基于脉冲宽度调制（PWM）高效率、低功耗开关电源直流电压转换器的设计方法，采用全桥、降压、推挽回路为主电路拓扑。

It's the first step towards a significant U.S. policy switch on Taiwan.

这意味美国对台政策重大转变的第一步.

Three-position switch ( 120 deg. step ). Contact positions can be specified.

位置开关 ( 120度间距 ). 可指定触点位置.

Glen Johnson has rejected talk his Portsmouth switch is a backward step for his career.

格伦?约翰逊否认自己租界去朴茨茅斯是走上了职业生涯的下坡路.

First, the load was applied on the straight and side line of the entire switch step by step to analyze its deformation and stress characteristic.

以一个转向架的荷载对道床板进行竖向加载分析其变形和应力。

Step four: the write system call returns, creating our fourth context switch.

步骤四：系统调用返回，导致了第4次上下文切换。

Feed not sent to baffle at the location, just step on switch otherwise.

送纸没有送到挡板处定位, 就踩开关打钉.

Step three: the write system call causes a context switch from user mode to kernel mode.

步骤三：系统调用write导致从用户空间到内核空间的上下文切换。

"So take a step back, switch off the automatic pilot and actually stop and reflect about things like our priorities, our values, and our relationships."

所以退后一步，关掉自动驾驶仪，真正停下来反思我们的重要事务我们的价值观和我们的人际关系等等。

Chemical production process of polyethylene catalyst is the representative of intermittent chemical production process which requires sequence, continuous and switch value control. The process needs mutual nesting interlock between the state of production equipment and the production step with rigorous production condition.

聚乙烯催化剂的生产属于典型的化工间歇生产过程，既要求顺序控制，也要求连续控制和开关量的控制，而且相关生产设备的状态和生产步骤之间要相互嵌套联锁、生产条件苛刻。